BCM81181A0KRFBG

Product Brief BCM81181 16-nm 400GbE PAM-4 PHY (8:8) Description The Broadcom® BCM81181 is a single-chip, low-power, low-latency PAM-4 PHY that integrates retimer and equalizer functions to support 400GbE, 2×200GbE, 4×100GbE, and 8×50GbE applications. In these modes, the BCM81181 retimes, adds FEC (optional), and equalizes n×50G PAM-4 hostside signals into n×50G PAM-4 line-side signals, which drives the optical PAM-4 links inside the next-generation modules, including QSFPDD and OSFP modules. Applications • 400GbE (8×50G PAM-4), 2×200GbE (4×50G PAM-4), 4×100GbE (2×50G PAM-4), and 8×50GbE (1×50G PAM-4) transceivers • 1×200GbE (8×25G NRZ), 2×100GbE (4×25G NRZ), 4×50GbE (2×25G NRZ), and 8×25GbE (1×25G NRZ) transceivers The BCM81181 is compliant with the IEEE 802.3bs draft 3.3 and IEEE 802.3cd draft 2.1 standards with KP4 FEC and FEC bypass capabilities. The BCM81181 also supports 1×200GbE, 2×100GbE, 4×50GbE, and 8×25GbE modes. In these modes, the device retimes and equalizes the incoming data from the both host and line sides at n×25G NRZ rate. On-chip clock synthesis is performed by a low-cost 156.25-MHz reference clock using high-frequency, low-jitter phase-locked loops (PLLs). The BCM81181 is fabricated in advanced low-power 16-nm CMOS technology. The BCM81181 is available in a 11 mm × 14 mm, 0.5-mm pitch, 464-ball BGA, RoHS-compliant package. Functional Block Diagram Optical Module 8×50G PAM-4 BCM81181 PAM-4 PHY 8×50G PAM-4 Optics PAM-4 PHY for Optical Transceiver Applications Product Brief Features • Single-chip 8×50G PHY drives 1×400GbE, 2×200GbE, 4×100GbE, and 8×50GbE transceivers −−Client side: 8×50G PAM-4 −−Line side: 8×50G PAM-4 • Single-chip 8×25G drives 1×200GbE, 2×100GbE, 4×50GbE, and 8×25GbE transceivers −−Client side: 8×25G NRZ −−Line side: 8×25G NRZ • Client-side interface is compliant with the IEEE 400GAUI-8 PAM-4 C2M and 200GAUI-8 NRZ C2M specification supporting VSR channels • Supports both QSFPDD and OSFP transceivers • Low-power 16-nm CMOS design • Integrated AC-coupling capacitors for the client RX side • Line-side and client-side loopbacks Ordering Information Part Number Package BCM81181A0KRFBG 11 mm × 11 mm, 0.5-mm pitch, 464-ball BGA, RoHS-compliant Visit the Broadcom website at: www.broadcom.com/products Broadcom, the pulse logo, Connecting everything, and Avago Technologies are among the trademarks of Broadcom. Copyright © 2018 Broadcom. All Rights Reserved. The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. For more information, please visit www.broadcom.com. 81181-PB100 09.17.18